Played By: David Prowse / James Earl Jones (voice)Film: Star Wars, The Empire Strikes Back, Return of the Jed, Revenge of the Sith

Why He's On The List: To hell with the Emperor - he wasn't even around for most of the action. Darth Vader is, to every child of Star Wars, the supreme badass in the galaxy. He is everything that scares you as a child, cutting a huge, imposing figure, wearing doom-laden black, and breathing through some kind of ominous respirator - surely enough to give any person in their formative years the willies. The masterstroke behind Vader's design is that mask. The cold, expressionless cover is difficult to read, and makes for a much scarier experience than a human face can give. Having the bass tones of James Earl Jones doesn't hurt either. The very definition of simple and effective, something tells us he'll stay near the top of this list for a long time... a long time.